Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
data communication » data communications
models development » model development, module development, model developments
technology 2.2 » technology _, technology 1, technology 3
2.2 relations » 1.2 relations, 2.4 relations, 2.2 relational
relations der » relations under, relations das, relations do
costa models » cost models, cost model, copula models
china dank » china data, china den, china daqing
one data » phone data, ozone data, core data
der one » under one, der oder, der oper

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 2.2 relations der one data communication costa models development china dank.*.